5 files changed, 47 insertions, 2 deletions
diff --git a/project/Core/Inc/Activities/activity5.h b/project/Core/Inc/Activities/activity5.h
new file mode 100644
index 0000000..e74b3f0
--- /dev/null
+++ b/project/Core/Inc/Activities/activity5.h
@@ -0,0 +1,13 @@
+/*
+ * activity5.h
+ *
+ *  Created on: Sep 23, 2025
+ *      Author: sowgro
+ */
+
+#ifndef INC_ACTIVITIES_ACTIVITY5_H_
+#define INC_ACTIVITIES_ACTIVITY5_H_
+
+void run2();
+
+#endif /* INC_ACTIVITIES_ACTIVITY5_H_ */
diff --git a/project/Core/Inc/Homework/printf.h b/project/Core/Inc/Homework/printf.h
index 4772dfd..a31119a 100644
--- a/project/Core/Inc/Homework/printf.h
+++ b/project/Core/Inc/Homework/printf.h
@@ -8,6 +8,7 @@
 #ifndef INC_ACTIVITIES_PRINTF_H_
 #define INC_ACTIVITIES_PRINTF_H_
 
+int putchar(int value);
 int printf(const char *format, ...);
 int puts(const char *string);
 
diff --git a/project/Core/Src/Activties/activity5.c b/project/Core/Src/Activties/activity5.c
new file mode 100644
index 0000000..9201f70
--- /dev/null
+++ b/project/Core/Src/Activties/activity5.c
@@ -0,0 +1,24 @@
+/*
+ * activity5.c
+ *
+ *  Created on: Sep 23, 2025
+ *      Author: sowgro
+ */
+
+
+#include <UART.h>
+#include "printf.h"
+
+void read_and_print_char() {
+	uint8_t ch = USART_Read(USART2);
+	printf("%c", ch);
+	if (ch == '\r') {
+		printf("\n");
+	}
+}
+
+void run2() {
+	for(;;) {
+		read_and_print_char();
+	}
+}
diff --git a/project/Core/Src/Homework/printf.c b/project/Core/Src/Homework/printf.c
index 60605f8..9384215 100644
--- a/project/Core/Src/Homework/printf.c
+++ b/project/Core/Src/Homework/printf.c
@@ -13,6 +13,11 @@
 
 char buffer[120];
 
+int putchar(int value) {
+	USART_Write(USART2, (unsigned char *) &value, 1);
+	return 1;
+}
+
 int puts(const char *string) {
 	int n = strlen(string);
 	USART_Write(USART2, (unsigned char *) string, n);
diff --git a/project/Core/Src/main.c b/project/Core/Src/main.c
index 8d76d3a..ff819f2 100644
--- a/project/Core/Src/main.c
+++ b/project/Core/Src/main.c
@@ -8,6 +8,7 @@
 #include "LED.h"
 #include "UART.h"
 #include "demo.h"
+#include "activity5.h"
 #include "midi_header.h"
 
 #include <stdio.h>
@@ -19,9 +20,10 @@ int main(void){
 	LED_Init();
 	UART2_Init();
 	
-	printf("Hello world \r\n");
+//	printf("Hello world \r\n");
 
-	run();
+//	run();
+	run2();
 
 	// application run function
 	//	run_demo() ;